NEU · NewMarket Corporation

Summary

NewMarket Corporation appointed Susan M. Ridlehoover as Principal Accounting Officer effective February 18, 2026. Mrs. Ridlehoover, age 45, brings over 20 years of accounting and finance experience, including prior roles at Sonoco Products Company, Inc. and Dominion Energy, Inc., and will receive a base salary of $235,000 plus bonuses, restricted stock awards, and benefits.

Key takeaways

• Susan M. Ridlehoover appointed Principal Accounting Officer effective February 18, 2026
• Age 45 with over 20 years of accounting and finance experience
• Joined NewMarket as Controller in January 2026
• Previously Senior Director, Corporate Controller at Sonoco Products Company, Inc.
• Base salary of $235,000, eligible for cash bonuses and restricted stock awards
• Licensed Certified Public Accountant in the Commonwealth of Virginia